Home / 54,838.08-75,678.30-33,638.76

Finding the Fourth Proportional to 54,838.08, 75,678.30 and 33,638.76

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Solution

The fourth proportional to 54,838.08, 75,678.30 and 33,638.76 is: 46,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.08 : 75,678.30 = 33,638.76 : x
  2. Step 2: Convert to fraction form
    54,838.08/75,678.30 = 33,638.76/x
  3. Step 3: Cross multiply
    54,838.08x = 75,678.30 × 33,638.76
  4. Step 4: Simplify right side
    54,838.08x = 2,545,724,170.91
  5. Step 5: Solve for x
    x = 2,545,724,170.91/54,838.08
  6. Step 6: Final answer
    x = 46,422.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.